<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>登录页面</title>
</head>
<body>
  <h2>登录页面</h2>
  <form action="/login/do" method="post">
    用户名：<input type="text" name="username"> <br><br>
    密码 ：<input type="text" name="password"> <br><br>

    <input type="submit" value="登录">

  </form>
</body> 
</html>